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<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

    <script>
        //向对象中添加方法 up down
        let game = {
            name: '俄罗斯方块',
            down: '男男女女'
        }

        //声明一个对象
        // let methods = {
        //     up: Symbol(),
        //     down: Symbol()
        // };
        // game[methods.up] = function () {
        //     console.log('改变形状');
        // }
        // game[methods.down] = function () {
        //     console.log('快速下降!');
        // }

        // console.log(game);

        let youxi = {
            name: '狼人杀',
            [Symbol('say')]: function () {
                console.log('我可以发言');
            },
            [Symbol('zibao')]: function () {
                console.log('我可以自爆！');
            }
        }

        console.log(youxi);


    </script>



</body>

</html>